X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=output%2Fcsv.c;h=ab6217dfe77e6cb400a5819502c70de6e4d94b47;hb=91aea754aaed0f0f2a6fc4b2b875f0d0b7c01f8e;hp=48c2021883ad21fa97dc2b59a2f66f8264b62ab3;hpb=1a081ca67d63a0bd933a3d715792d85afd437296;p=libsigrok.git diff --git a/output/csv.c b/output/csv.c index 48c20218..ab6217df 100644 --- a/output/csv.c +++ b/output/csv.c @@ -1,5 +1,5 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * * Copyright (C) 2011 Uwe Hermann * @@ -21,14 +21,15 @@ #include #include #include -#include "config.h" -#include "sigrok.h" -#include "sigrok-internal.h" +#include "config.h" /* Needed for PACKAGE_STRING and others. */ +#include "libsigrok.h" +#include "libsigrok-internal.h" + +#define LOG_PREFIX "output/csv" struct context { unsigned int num_enabled_probes; unsigned int unitsize; - char *probelist[SR_MAX_NUM_PROBES + 1]; uint64_t samplerate; GString *header; char separator; @@ -49,59 +50,43 @@ struct context { static int init(struct sr_output *o) { struct context *ctx; - struct sr_probe *probe; + struct sr_channel *probe; GSList *l; + GVariant *gvar; int num_probes; - uint64_t samplerate; time_t t; - unsigned int i; - if (!o) { - sr_err("csv out: %s: o was NULL", __func__); + if (!o) return SR_ERR_ARG; - } - if (!o->device) { - sr_err("csv out: %s: o->device was NULL", __func__); + if (!o->sdi) return SR_ERR_ARG; - } - - if (!o->device->plugin) { - sr_err("csv out: %s: o->device->plugin was NULL", __func__); - return SR_ERR_ARG; - } - - if (!(ctx = g_try_malloc0(sizeof(struct context)))) { - sr_err("csv out: %s: ctx malloc failed", __func__); - return SR_ERR_MALLOC; - } + ctx = g_try_malloc0(sizeof(struct context)); o->internal = ctx; - /* Get the number of probes, their names, and the unitsize. */ - /* TODO: Error handling. */ - for (l = o->device->probes; l; l = l->next) { + /* Get the number of probes, and the unitsize. */ + for (l = o->sdi->probes; l; l = l->next) { probe = l->data; + if (probe->type != SR_PROBE_LOGIC) + continue; if (!probe->enabled) continue; - ctx->probelist[ctx->num_enabled_probes++] = probe->name; + ctx->num_enabled_probes++; } - ctx->probelist[ctx->num_enabled_probes] = 0; + ctx->unitsize = (ctx->num_enabled_probes + 7) / 8; - num_probes = g_slist_length(o->device->probes); + num_probes = g_slist_length(o->sdi->probes); - if (sr_device_has_hwcap(o->device, SR_HWCAP_SAMPLERATE)) { - samplerate = *((uint64_t *) o->device->plugin->get_device_info( - o->device->plugin_index, SR_DI_CUR_SAMPLERATE)); - /* TODO: Error checks. */ - } else { - samplerate = 0; /* TODO: Error or set some value? */ - } - ctx->samplerate = samplerate; + if (sr_config_get(o->sdi->driver, o->sdi, NULL, SR_CONF_SAMPLERATE, + &gvar) == SR_OK) { + ctx->samplerate = g_variant_get_uint64(gvar); + g_variant_unref(gvar); + } else + ctx->samplerate = 0; ctx->separator = ','; - ctx->header = g_string_sized_new(512); t = time(NULL); @@ -113,114 +98,100 @@ static int init(struct sr_output *o) ctx->samplerate); /* Columns / channels */ - g_string_append_printf(ctx->header, "; Channels (%d/%d): ", + g_string_append_printf(ctx->header, "; Channels (%d/%d):", ctx->num_enabled_probes, num_probes); - for (i = 0; i < ctx->num_enabled_probes; i++) - g_string_append_printf(ctx->header, "%s, ", ctx->probelist[i]); + for (l = o->sdi->probes; l; l = l->next) { + probe = l->data; + if (probe->type != SR_PROBE_LOGIC) + continue; + if (!probe->enabled) + continue; + g_string_append_printf(ctx->header, " %s,", probe->name); + } + if (o->sdi->probes) + /* Drop last separator. */ + g_string_truncate(ctx->header, ctx->header->len - 1); g_string_append_printf(ctx->header, "\n"); - return 0; /* TODO: SR_OK? */ + return SR_OK; } -static int event(struct sr_output *o, int event_type, char **data_out, - uint64_t *length_out) +static int receive(struct sr_output *o, const struct sr_dev_inst *sdi, + const struct sr_datafeed_packet *packet, GString **out) { + const struct sr_datafeed_logic *logic; struct context *ctx; + uint64_t i, j; + gchar *p, c; - if (!o) { - sr_err("csv out: %s: o was NULL", __func__); - return SR_ERR_ARG; - } + (void)sdi; - if (!(ctx = o->internal)) { - sr_err("csv out: %s: o->internal was NULL", __func__); + *out = NULL; + if (!o || !o->sdi) return SR_ERR_ARG; - } - - if (!data_out) { - sr_err("csv out: %s: data_out was NULL", __func__); + if (!(ctx = o->internal)) return SR_ERR_ARG; - } - switch (event_type) { - case SR_DF_TRIGGER: - sr_dbg("csv out: %s: SR_DF_TRIGGER event", __func__); - /* TODO */ - *data_out = NULL; - *length_out = 0; + switch (packet->type) { + case SR_DF_LOGIC: + logic = packet->payload; + if (ctx->header) { + /* + * First data packet: prime the output with the + * previously prepared header. + */ + *out = ctx->header; + ctx->header = NULL; + } else { + *out = g_string_sized_new(512); + } + + for (i = 0; i <= logic->length - ctx->unitsize; i += ctx->unitsize) { + for (j = 0; j < ctx->num_enabled_probes; j++) { + p = logic->data + i + j / 8; + c = *p & (1 << (j % 8)); + g_string_append_c(*out, c ? '1' : '0'); + g_string_append_c(*out, ctx->separator); + } + if (j) { + /* Drop last separator. */ + g_string_truncate(*out, (*out)->len - 1); + } + g_string_append_printf(*out, "\n"); + } break; case SR_DF_END: - sr_dbg("csv out: %s: SR_DF_END event", __func__); - /* TODO */ - *data_out = NULL; - *length_out = 0; g_free(o->internal); o->internal = NULL; break; - default: - sr_err("csv out: %s: unsupported event type: %d", __func__, - event_type); - *data_out = NULL; - *length_out = 0; - break; } return SR_OK; } -static int data(struct sr_output *o, const char *data_in, uint64_t length_in, - char **data_out, uint64_t *length_out) +static int cleanup(struct sr_output *o) { struct context *ctx; - GString *outstr; - uint64_t sample, i; - int j; - - if (!o) { - sr_err("csv out: %s: o was NULL", __func__); - return SR_ERR_ARG; - } - if (!(ctx = o->internal)) { - sr_err("csv out: %s: o->internal was NULL", __func__); + if (!o || !o->sdi) return SR_ERR_ARG; - } - - if (!data_in) { - sr_err("csv out: %s: data_in was NULL", __func__); - return SR_ERR_ARG; - } - - if (ctx->header) { - /* First data packet. */ - outstr = ctx->header; - ctx->header = NULL; - } else { - outstr = g_string_sized_new(512); - } - for (i = 0; i <= length_in - ctx->unitsize; i += ctx->unitsize) { - memcpy(&sample, data_in + i, ctx->unitsize); - for (j = ctx->num_enabled_probes - 1; j >= 0; j--) { - g_string_append_printf(outstr, "%d%c", - (int)((sample & (1 << j)) >> j), - ctx->separator); - } - g_string_append_printf(outstr, "\n"); + if (o->internal) { + ctx = o->internal; + if (ctx->header) + g_string_free(ctx->header, TRUE); + g_free(o->internal); + o->internal = NULL; } - *data_out = outstr->str; - *length_out = outstr->len; - g_string_free(outstr, FALSE); - return SR_OK; } -struct sr_output_format output_csv = { +SR_PRIV struct sr_output_format output_csv = { .id = "csv", .description = "Comma-separated values (CSV)", .df_type = SR_DF_LOGIC, .init = init, - .data = data, - .event = event, + .receive = receive, + .cleanup = cleanup, };